Rittenhouse, a right-wing vigilante, shot and killed two Black Lives Matter protesters during protests following the shooting of Jacob Blake, in August 2020.
Rittenhouse, who was 17 at the time, was seen as a hero by some on the right, who insisted he was on the streets to prevent rioting by the BLM activists.
Facebook took down many pro-Rittenhouse posts, arguing that they violated the site's rules, which banned the promotion of violence. Facebook's rules ban praise and support of mass shooters and of mass shootings.
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During an internal discussion, most employees agreed with the decision. However, one said that the Facebook leaders were taking too drastic a role in censoring people's beliefs.
"The rioting has been going on for over three months and it's only an issue now because people inside the company saw violence they didn't like," the staffer stated in internal documents obtained by The New York Post.
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"Employees are drunk on the absolute power of being in control of civics in America, without ever having to visit a voting booth (if voting is even an option)."
The employee, a Facebook data scientist, questioned whether Facebook was taking the right approach to moderate posts in support of Rittenhouse - who, as stated, was 17 at the time of the shooting, and not legally allowed to carry the firearms he used.
"Can we really consistently and objectively differentiate between support (not allowed) and discussion of whether [Rittenhouse] is being treated justly (allowed)?"the data scientist wrote.
"Try reading the posts mentioning him and see if you can separate violating from non-violating content."
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'I know that our company is full of dedicated smart people who want to do the right thing.
"However, I don't think the current system we are working in enables us to succeed, even as we have the money, talent and motivation that should lead us on the right path."
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Rittenhouse has been charged with murder. His trial is scheduled to begin next week.
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A spokeswoman maintained that Facebook has an 'industry-leading policy' to address 'militarized social movements.'
The internal memo is part of a massive swathe of information leaked by a whistleblower, Frances Haugen.
Mark Zuckerberg, the CEO, and founder of Facebook, angrily accused people of plotting against his company on Monday.
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"My view is that what we are seeing is a coordinated effort to selectively use leaked documents to paint a false picture of our company," the under-fire executive said in a call with Facebook investors.
Haugen's leaked files have formed the basis of exposes in The Wall Street Journal, revealing that executives knew Instagram was addictive and harmful to young people and that they put profits above people.
Facebook has been accused of failing to clamp down on hate speech and actively promoting divisive and harmful content to drive traffic.
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